public function testMultipleLinks()
{
$entity = new Entity();
$entity->addLink(new Rel('self'), 'http://api.x.io/orders/42', 'Self Reference');
$entity->addLink(new Rel('next'), 'http://api.x.io/orders/43', 'Next Order');
$expectedJson = json_encode(array('links' => array(array('rel' => array('self'), 'href' => 'http://api.x.io/orders/42', 'title' => 'Self Reference'), array('rel' => array('next'), 'href' => 'http://api.x.io/orders/43', 'title' => 'Next Order'))));
$this->assertJsonStringEqualsJsonString($expectedJson, json_encode($entity));
}
$orderItemsRel = new Rel('http://x.io/rels/order-items');
$orderItems = new EntityLink('http://api.x.io/orders/42/items');
$orderItems->setClass('items', 'collection');
$customerRel = new Rel('http://x.io/rels/customer');
$customer = new Entity();
$customer->setClass('info', 'customer');
$customer->setProperty('customerId', 'pj123');
$customer->setProperty('name', 'Peter Joseph');
$customer->addLink(new Rel('self'), 'http://api.x.io/customers/pj123');
$orderNumberField = new Field('orderNumber', FieldType::HIDDEN());
$orderNumberField->setValue('42');
$productCodeField = new Field('productCode');
$quantityField = new Field('quantity', FieldType::NUMBER());
$addItem = new Action('add-item', 'http://api.x.io/orders/42/items', Method::POST());
$addItem->setTitle('Add Item');
$addItem->setType('application/x-www-form-urlencoded');
$addItem->addField($orderNumberField);
$addItem->addField($productCodeField);
$addItem->addField($quantityField);
$order = new Entity();
$order->setClass('order');
$order->setProperty('orderNumber', 42);
$order->setProperty('itemCount', 3);
$order->setProperty('status', 'pending');
$order->addEntityLink($orderItemsRel, $orderItems);
$order->addEntity($customerRel, $customer);
$order->addAction($addItem);
$order->addLink(new Rel('self'), 'http://api.x.io/orders/42');
$order->addLink(new Rel('previous'), 'http://api.x.io/orders/41');
$order->addLink(new Rel('next'), 'http://api.x.io/orders/43');
echo json_encode($order, JSON_PRETTY_PRINT);
